/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    adc.c
  * @brief   This file provides code for the configuration
  *          of the ADC instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "adc.h"

/* USER CODE BEGIN 0 */
uint32_t adcBuffer[240];
/* USER CODE END 0 */

ADC_HandleTypeDef hadc1;
DMA_HandleTypeDef hdma_adc1;

/* ADC1 init function */
void MX_ADC1_Init(void) {
    /* USER CODE BEGIN ADC1_Init 0 */

    /* USER CODE END ADC1_Init 0 */

    ADC_ChannelConfTypeDef sConfig = {0};

    /* USER CODE BEGIN ADC1_Init 1 */

    /* USER CODE END ADC1_Init 1 */

    /** Common config
    */
    hadc1.Instance = ADC1;
    hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
    hadc1.Init.ContinuousConvMode = ENABLE;
    hadc1.Init.DiscontinuousConvMode = DISABLE;
    hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
    hadc1.Init.NbrOfConversion = 1;
    if (HAL_ADC_Init(&hadc1) != HAL_OK) {
        Error_Handler();
    }

    /** Configure Regular Channel
    */
    sConfig.Channel = ADC_CHANNEL_7;
    sConfig.Rank = ADC_REGULAR_RANK_1;
    sConfig.SamplingTime = ADC_SAMPLETIME_239CYCLES_5;
    if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) {
        Error_Handler();
    }
    /* USER CODE BEGIN ADC1_Init 2 */

    /* USER CODE END ADC1_Init 2 */
}

void HAL_ADC_MspInit(ADC_HandleTypeDef *adcHandle) {
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if (adcHandle->Instance == ADC1) {
        /* USER CODE BEGIN ADC1_MspInit 0 */

        /* USER CODE END ADC1_MspInit 0 */
        /* ADC1 clock enable */
        __HAL_RCC_ADC1_CLK_ENABLE();

        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**ADC1 GPIO Configuration
        PA7     ------> ADC1_IN7
        */
        GPIO_InitStruct.Pin = GPIO_PIN_7;
        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* ADC1 DMA Init */
        /* ADC1 Init */
        hdma_adc1.Instance = DMA1_Channel1;
        hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
        hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
        hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
        hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
        hdma_adc1.Init.Mode = DMA_NORMAL;
        hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
        if (HAL_DMA_Init(&hdma_adc1) != HAL_OK) {
            Error_Handler();
        }

        __HAL_LINKDMA(adcHandle, DMA_Handle, hdma_adc1);

        /* USER CODE BEGIN ADC1_MspInit 1 */
        HAL_ADCEx_Calibration_Start(&hadc1);
        /* USER CODE END ADC1_MspInit 1 */
    }
}

void HAL_ADC_MspDeInit(ADC_HandleTypeDef *adcHandle) {
    if (adcHandle->Instance == ADC1) {
        /* USER CODE BEGIN ADC1_MspDeInit 0 */

        /* USER CODE END ADC1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_ADC1_CLK_DISABLE();

        /**ADC1 GPIO Configuration
        PA7     ------> ADC1_IN7
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_7);

        /* ADC1 DMA DeInit */
        HAL_DMA_DeInit(adcHandle->DMA_Handle);
        /* USER CODE BEGIN ADC1_MspDeInit 1 */

        /* USER CODE END ADC1_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc) {
    if (hadc == &hadc1) {
        uint32_t adc = 0, i;
        for (i = 0; i < 240; i++) {
            adc += adcBuffer[i];
        }
        adc /= 240;
        if (MQTT_LINK_FLAG) {
            memset(mqtt_pub_data[0].value, '\0', strlen(mqtt_pub_data[0].value));
            sprintf(mqtt_pub_data[0].value, "%.2f", adc*3.3f/4095*10);
            Publish_MQTT_message();
        }
    }
}
/* USER CODE END 1 */
